WREOW Cutting Electric Grinding Polishing Engraving Rotary Tools Accessory Set A variety of shapes and sizes to allow you more flexibility for your fine detail work. Mainly used for mutilation, carving, drilling, grinding, polishing, milling, engraving, polishing, brushing, cleaning, rust,and other purposes Material: Combination 100% Brand New and High Quality Color: as is shown in the picture (Random delivery)